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Number Systems and Codes problems

1. Hexadecimal letters A through F are used for decimal equivalent values from:
Options
A. 1 through 6
B. 9 through 14
C. 10 through 15
D. 11 through 17

Correct Answer: 10 through 15

2. Convert the following binary number to octal.
001101011₂
Options
A. 153₈
B. 351₈
C. 253₈
D. 352₈

Correct Answer: 153₈

3. Which is typically the longest: bit, byte, nibble, word?
Options
A. Bit
B. Byte
C. Nibble
D. Word

Correct Answer: Word

4. Which is not a word size?
Options
A. 64
B. 28
C. 16
D. 8

Correct Answer: 28

5. Convert the following octal number to decimal.
35₈
Options
A. 71
B. 17
C. 92
D. 29

Correct Answer: 29

6. The binary-coded decimal (BCD) system can be used to represent each of the 10 decimal digits as a(n):
Options
A. 4-bit binary code
B. 8-bit binary code
C. 16-bit binary code
D. ASCII code

Correct Answer: 4-bit binary code

7. Convert decimal 64 to binary.
Options
A. 01010010
B. 01000000
C. 00110110
D. 01001000

Correct Answer: 01000000

8. Convert 1731₈ to decimal.
Options
A. 216.4
B. 985
C. 3D9
D. 1123

Correct Answer: 985

9. The 1's complement of 10011101 is ________.
Options
A. 01100010
B. 10011110
C. 01100001
D. 01100011

Correct Answer: 01100010

10. The binary number 11101011000111010 can be written in hexadecimal as ________.
Options
A. DD63A₁₆
B. 1D63A₁₆
C. 1D33A₁₆
D. 1D631₁₆

Correct Answer: 1D63A₁₆

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